Internal-combustion engine.



E. C; BOWEN.

INTERNAL comausnow ENGINE. APPLICATION FILED MAR. 13. l9l5.

1,161,833. q PatentedN'ov. 30,1915.

2 SHEETS-SHEET 1.

5 Maggi Emma",

amwm

E. C. BOWEN.

INTERNAL COMBUSTION ENGINE.

APPLICATION FILED MAR. I3. I9I5.

Patented Nov. 30, 1915.

2 SHEETS-SHEET 2.

naw/wow v attozmua Wm Pawns Mam- 4/. B

ED C. BOWEN, OF BOTTINEAU, NORTH DAKOTA.

INTERNAL-COMBUSTION ENGINE.

To allwhom it may concern:

Be it known that I, En C. BOWEN, a citizen of the United States, residing at Bottineau, in the county of Bottineau and State of North Dakota, haveinvented certain new and useful Improvements in Internal-Combustion Engines, of which the following is a specification, reference being had to the accompanying drawings. i

This invention relates to certain improvements in internal combustion engines; and it is an object of my invention to provide a device of this general character having novel and improved means including a sleeve rotatably supported within a piston for controlling the operation of the motor.

It is also an object of my invention to pro- I vide a device of this general character wherein the controlling sleeve or valve is capable of independent axial adjustment withinthe cylinder and wherein the piston is mounted for reciprocation within the sleeve or barrel.

Furthermore, it is an object of my invention to-provide a device of this general character wherein the reciprocating piston is capable of free axial rotation so that the pis tion will offer no resistance to the requisite axial adjustment of the rotary valve or sleeve.

It is a still further object of my invention to provide a device of this general character including novel and improved means whereby the r0ta-tab1esleeve or valve may be maintained in operative position.

The invention consists in the details of construction and in the combination and arrangement of the several parts of my improved internal combustion engine whereby certain important advantages are attained and the device is rendered" simpler, less expensive andotherwise more convenient and advantageous for use, all as will be hereinafter more fully set forth.

The novel features of the invention will be carefully defined in the appended claim.

In order that my invention may. be the better understood, I will now proceed to describe the same with reference to the accompanying drawings, wherein- Figure 1 is a vertical sectional view illustrating an internal combustion engine con I structed in accordance with an embodiment of my invention; Fig. 2 is a sectionalview taken substantially on the line 22 of Fig. 1; Fig. 3 is a. sectional 'view taken substantially on the line-3-3- of Fig. 1; and 4 Specification of Letters Patent.

' Patented Nov. 30, 1915.

Application filed March 13, 1915. Serial No. 14,222.

is an elevational view, detached, and on a reduced scale, of the sleeve herein embodied.

As disclosed in the accompanying draw ings, C denotes a cylinder operatively supported by the frame F and having its end member 4, said valve member or sleeve having its inner extremity closed by the head 5, said sleeve or valve member being. adapted to snugly fit Within the cylinder C and capable of axial rotation therein.

5 The head 6 of the cylinder C at its axial center is provided with the threaded opening 7 with which the spark plug 8 is adapted to be engaged, said spark plug having its lower extremity disposed through an opening 9 produced at the axial center of the head 50 of the sleeve or valve member 4, said plug is 'alsoprovided with an annular flange 9 adapted-to underlie the head 5 whereby it will be perceived that. the plug 8 also serves as a medium for maintaining the valve member'or sleeve 4 in applied position. I

Mounted for reciprocatory movement within the valve member or sleeve 4 is the piston Pof conventional construction and having swiveled thereto, as at 10, the inner extremity of the-rod 11, the outer or opposite extremity whereof being operatively engaged with the crankshaft-12 supported in any desired manner by the frame F.

' As herein embodied, the swivelconnection between the rod-11 and the piston P is in the form of a conventional ball socket joint, whereby it will be perceived that the piston P will be capable of axial rotation whereby tation of the valve member or sleeve 4.

'As herein disclosed, the valve member or sleeve 4 projects through the opening 1 and is providedwith the annular gear member 14 in'mesh with the diametrically opposed worms 15 affixed to the parallel shafts 16 suitably supported by the frame F whereby it 'Will be perceived that uponjimparting axial rotation to the shafts 16, the valve member or sleeve 4 will be caused to rotate.

In the present embodiment of my inverr tion, the crank shaft 12 is provided with a the valve member or sprocket 17 around which is disposed the chain-1:8 also directed. around .the sprockets 19 affixed to the parallel shafts 16 whereby it'will be perceived that the rotation of the shaft 12 under the influence of the piston P will result in the desired axial rotation of the shafts 16 and more particularly of sleeve 4.

20 denotes an intake port in communication with the interior of the cylinder adjacent the inner endthereof and 21 denotes an exhaust port, said ports 20 and 21 being relatively positioned at an angle of 146.25 degrees and are adapted to register with the .ports 22 produced in the valve member or sleeve 4 adjacent the'inner end thereof, said ports 22 being positioned at angles of 180 degrees and herein set forth as two in number, the ports 20 and 21 and 22 are elongatedannularly of the cylinder C and valve member or sleeve 4 and are preferably of a length equal to 11.25 degrees.

, center, a portv22 is With the crank shaft 12 in vertical dead positioned 11.25 degrees in advance of the intake port 21. The valve .member or sleeve 4 and the crank shaft 12 actually rotate in a ratio of 1 to 4. Therefouepwhen the crank shaft'has rotated 180 degrees, .the sleeve has traveled 45 degrees and the port 22 of the sleeve has passed the intake port 20 and closed such port. Qn the upward stroke of the piston or compres sion cycle, theshaft 12 travels 180 degrees, making one complete revolution when the port 22 is 90 degrees past starting point. At this time the spark plug 8 is intended to ignite the compressed gases, driving the pisoutward and rotating the crank shaft 12 180 degrees and the sleeve or valve member 4 45 degrees, at which time the port 22 is just communicating with the exhaust port, and as the piston P travels its fourth cycle and the crank shaft 180 degrees, the burned gases are expelled through the exhaust port 21.

It will now be observed that the following port 22 is 11.25degrees before the intake port 20 so. that while the crank shaft '12 travels 45 degrees before the second mentioned port 22 communicates with the intakeport 20, avacuum will be produced in the cylinder above the piston P so that when the second named port 22 does communicate with the port 20 the explosive mixture will be drawn into the cylinder. The ignition system coacting with the spark plug 8 may be as preferred and a detail thereof is believed to'be unnecessary. I

The periphery of the valve member or be obvious thereof are provided with the spiral grooves 23 adapted to receive and spread the lubricant delivered through the ports 24 leading from a suitable source of supply.

From the foregoing clescriptlon, it 18 thought to be obvious that an internal combastion engine constructed in accordance with my invention: is of an extremely simple and comparatively inexpensive nature and is particularly well adapted for use by reason of the convenience and facility with which it may be assembled, and it will also that my invention is susceptible of some change and modification within the scope of the appended claim without material departure from lthe principles and spirit thereof and for this else arrangement and formation of the several parts herein shown in carrying out my invention in practice.

I claim:

A device of the character described comprising a frame, a cylinder mounted thereon and. having an open end adjacent the frame, said frame being provided with an opening in register with the bore of the cylinder, a sleeve positioned within the cylinder and capable of axial rotation, said sleeve projecting within the opening of the frame, an annular flange carried by the sleeve, the wall of the opening of the frame being provided with an annular groove to receive said flange, said cylinder being provided with an intake port and an exhaust port and said sleeve being provided with ports adapted to register with the ports of the cylinder, a piston mounted for reciprocatory movement within the sleeve, said piston being capable 'of independent axial rotation, an annular gear member secured to the sleeve below the annular flange, parallel shafts disposed at opposite sides of the sleeve and operatively engaged with the annular gear of the sleeve, a crank shaft, an operative connection between the piston and the crank shaft, and a member operatively engaged with the crankshaft and the parallel-shafts whereby said parallel shafts are caused to rotate under'the'infiuence of the crank shaft.

In testimony whereof I hereunto aflix my signature in the presence of two witnesses.

ED C. BOW'EN.

\Vitnesses ANTON LALLUM, C. F IELDER.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of latents. Washington, D. 0. 

